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Jun 2024
4m 4s

Why do we startle when we fall asleep?

BABABAM
About this episode
You're peacefully drifting off to sleep when suddenly you feel as if you're falling into a void and you startle awake. This rather unpleasant sensation is known as a ‘hypnic jerk’ and is a common occurrence. It is an involuntary muscle spasm, a bit like a hiccup, also known as ‘myoclonus’. Sometimes, this sensation is accompanied by the feeling or the dream ... Show More
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